Analysis

  • max time kernel
    124s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 02:52

General

  • Target
    default.dat.exe
  • Size 13.6MB
  • Sample260706-dc3ldsht4x
  • SHA256 8f9db18f94d1907317c4eb85764d3a53a90d0f6b7943c504ffe54299b66dc896
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Loads dropped DLL 15 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\default.dat.exe
    "C:\Users\Admin\AppData\Local\Temp\default.dat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\default.dat.exe
      "C:\Users\Admin\AppData\Local\Temp\default.dat.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2472
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5676
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1324
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\Videos\bupojoyu'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\Videos\bupojoyu'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5788
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5684
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'D:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4484
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'D:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:4912
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'E:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3868
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'E:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3548
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'F:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:6068
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'F:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:560
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'G:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4196
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'G:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:5416
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'X:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3400
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'X:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:5948
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:5548
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4656
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:2220
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4452
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:2624
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:6104
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:828
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1396
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:6132
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3972
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5888

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 6e195845504aa823d393fce591d97eac44961a87f3863d3d0d4bcdcf43dcef37
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 ca81aed6d41a228db41e9b0093ef306a01ab164608401db38056e1094724d927
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 b4e690b5ac9a184e37a097d67638db30b6c0ef647f0e0aa230e40b9780f7f982
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 9b0bef0f0bed3131e711b740e444cf8b8adfcee734947952d07e32e178a4eb29
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 5faf95ade25b0ea71a7d5cac5bc26effc5bd9d01fb58dd631a995f27abd65d18
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 4fb025787851a7d907bbb74dbaa2bcf930c1393531cdf7e15b15460ab7045df7
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 287307bc450d600c2d2233396ad78e35ee001205892e0d2fc4efa4360072a1f1
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 32ae08cb5a638def0465d834677b544c113ab269b0e1d378e1aef2860fcc4c12
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 a976a31824c3a0cc2a6b0fd9ec6045c398d82990e5e96df2ad86ba09a9b05be5
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 53a4dd9163fdc37b36fa519bf9e01cc00c74a7dd5cd26655a54d235f69406a06
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 c88ebecf1cd20b584dc9e97f11a9d1001b13ecbb5d612db254d0b636a2382ef7
          • MD5 SHA1 SHA512 TLSH

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 595B
          • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
          • MD5 SHA1 SHA512 TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\_bz2.pyd
          • Size 82KB
          • SHA256 fc3b481684b926350057e263622a2a5335b149a0498a8d65c4f37e39dd90b640
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\_ctypes.pyd
          • Size 128KB
          • SHA256 f63c6c7e71c342084d8f1a108786ca6975a52cefef8be32cc2589e6e2fe060c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\_hashlib.pyd
          • Size 62KB
          • SHA256 838d5c8b7c3212c8429baf612623abbbc20a9023eec41e34e5461b76a285b86c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\_lzma.pyd
          • Size 154KB
          • SHA256 d080eabd015a3569813a220fd4ea74dff34ed2a8519a10473eb37e22b1118a06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\_socket.pyd
          • Size 81KB
          • SHA256 35246b04c6c7001ca448554246445a845ce116814a29b18b617ea38752e4659b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _uuid.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\_uuid.pyd
          • Size 25KB
          • SHA256 f9d5008f0772aa0720bc056a6ecd5a2a3f24965e4b470b022d88627a436c1ffe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\base_library.zip
          • Size 1.3MB
          • SHA256 ee6c4544e29f2172ccd5a91025c2e925834961c2e774c2acd23802faa5f1ca8a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 4e5d5d20d6d31e72ab341c81e97b89e514326c4c861b48638243bdf0918cfa43
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _psutil_windows.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\psutil\_psutil_windows.pyd
          • Size 69KB
          • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pyarmor_runtime.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\pyarmor_runtime_000000\pyarmor_runtime.pyd
          • Size 625KB
          • SHA256 dac9768ae95c247a3b87280ed9d8d5031eb63e2cb580e578a0d6dad6a58eb97e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\python3.DLL
          • Size 68KB
          • SHA256 a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python313.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\python313.dll
          • Size 5.8MB
          • SHA256 0c0a66505093b6a4bb3475f716bd3d9552095776f6a124709c13b3f9552c7d99
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI23202\select.pyd
          • Size 30KB
          • SHA256 78e5994c29d8851f28b5b12d59d742d876683aea58eceea1fb895b2036cdcdeb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_5jqdm2zs.j2z.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5jqdm2zs.j2z.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/1324-73-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-70-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-75-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-78-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-79-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-74-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-62-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-61-0x00000200566D0000-0x00000200566F2000-memory.dmp

          memory/1324-58-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-57-0x00007FFD5E6BF000-0x00007FFD5E6C0000-memory.dmp

          memory/1324-63-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-72-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-71-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-67-0x00000200569B0000-0x0000020056A62000-memory.dmp

          memory/1324-69-0x00007FFD5E530000-0x00007FFD5EED4000-memory.dmp

          memory/1324-68-0x0000020056740000-0x000002005674A000-memory.dmp

          memory/1324-66-0x0000020056720000-0x000002005673E000-memory.dmp

          memory/2472-147-0x0000000070180000-0x000000007022B000-memory.dmp

          memory/2472-76-0x0000000070180000-0x000000007022B000-memory.dmp

          memory/6132-168-0x000002D4801E0000-0x000002D4802E0000-memory.dmp

          memory/6132-169-0x000002D4801E0000-0x000002D4802E0000-memory.dmp

          memory/6132-200-0x000002D483E10000-0x000002D483E30000-memory.dmp

          memory/6132-214-0x000002D494250000-0x000002D494270000-memory.dmp

          memory/6132-177-0x000002D483E50000-0x000002D483F50000-memory.dmp

          memory/6132-176-0x000002D483930000-0x000002D483950000-memory.dmp

          memory/6132-170-0x000002D4801E0000-0x000002D4802E0000-memory.dmp